September weather forecastRutsiro, Rwanda
September
Weather in September
Heading into September, Rutsiro exhibits an upward trend in cloud cover, marking the onset of another intense rainy period. A relatively higher rainfall of 133mm (5.24") across 25.5 days defines the weather pattern. This return to a rainier climate results in a slight dip in average daytime temperatures to 20.9°C (69.6°F). Still, the weather remains temperate and, with an average of 10 sunshine hours a day, keeps the city bathed in a warm glow. The soaring humidity, rising to 76%, adds a misty allure to the landscapes of Rutsiro.Temperature
September registers an average high-temperature of a still pleasant 20.9°C (69.6°F), slightly varied from August's 21.6°C (70.9°F). Rutsiro observes an average nighttime temperature of 13.6°C (56.5°F) during September.Humidity
In September, the average relative humidity is 76%.Rainfall
In Rutsiro, in September, it is raining for 25.5 days, with typically 133mm (5.24") of accumulated precipitation. In Rutsiro, during the entire year, the rain falls for 289.8 days and collects up to 1383mm (54.45") of precipitation.Daylight
In Rutsiro, the average length of the day in September is 12h and 6min.On the first day of September, sunrise is at 06:00 and sunset at 18:04. On the last day of the month, sunrise is at 05:48 and sunset at 17:56 CAT.
Sunshine
The month with the most sunshine is September, with an average of 10h of sunshine.UV index
The months with the highest UV index are January through May, July through October and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rutsiro, Rwanda
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is February (21.8°C).
The month with the lowest average high temperature is May (19.6°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is October (13.9°C).
The coldest months (with the lowest average low temperature) are January and June (12.8°C).
Average pressure in September
Rutsiro, Rwanda
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is June (1015.6mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).
Average wind speed in September
Rutsiro, Rwanda
- Average wind speed in September: 5km/h
The windiest month (with the highest average wind speed) is May (6km/h).
The calmest month (with the lowest average wind speed) is December (3.8km/h).
Average humidity in September
Rutsiro, Rwanda
- Average humidity in September: 76%
The months with the highest relative humidity are April and May (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Rutsiro, Rwanda
- Average rainfall in September: 133mm
The wettest month (with the highest rainfall) is October (174mm).
The driest month (with the least rainfall) is July (41mm).
Average rainfall days in September
Rutsiro, Rwanda
- Average rainfall days in September: 25.5 days
The month with the highest number of rainy days is October (27.7 days).
The month with the least rainy days is July (18.5 days).
Average daylight in September /
Average sunshine in September
Rutsiro, Rwanda
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is September (Average sunshine: 10h and 0min).
The month with the least sunshine is April (Average sunshine: 7h and 48min).
Average sunshine days in September
Rutsiro, Rwanda
- Average sunshine days in September: 3.2 days
The month with the most sunshine days is July (10.5 days).
The month with the least sunshine days is November (2.1 days).
Average UV index in September
Rutsiro, Rwanda
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, July, August, September, October and December (UV index 5).
The months with the lowest UV index are June and November (UV index 4).
Average cloud cover in September
Rutsiro, Rwanda
- Average cloud cover in September: 36
The month with the most cloud cover is May (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Rutsiro, Rwanda
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The month with the lowest visibility is May (7km).





